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Modeling the Pedestrian Crossing Choice in Urban Streets (Case study: Qazvin Urban Streets) 城市街道人行横道选择建模(以Qazvin城市街道为例)
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2022-08-11 DOI: 10.1680/jmuen.21.00004
B. Mirbaha, Mahnoosh Minuee, A. Rassafi, Maziyar Layegh
Pedestrians are the most vulnerable road users in traffic accidents. This study aims to analyze the effective factors in choosing the type of crossing by pedestrians. The required data were collected through interviews based on PBS questionnaire and video images of crossing pedestrians in Qazvin city. The observed variables such as individual characteristics, crossing choices, traffic volume and the role of latent variables of pedestrian behaviors are considered on crossing choices. Latent behavioral variables were identified through exploratory factor analysis and were divided into positive and negative habits. In addition, structural equation model, traditional binary logit, and hybrid discrete choice model were used in this paper. The results show that men are less likely to use a pedestrian overpass than women. In addition, young people in the range of 18-30 and 30-45 are more eager to use overpass than older ones. Further, negative behavioral habits such as distraction and inattention, error, and violation resulted in choosing a riskier alternative compared to level crossing. Further, positive behavioral habits such as daily walking had a positive effect on choosing safer crossing alternative (pedestrian overpass). The findings are useful in developing policy measures to build safe and efficient facilities.
行人是交通事故中最脆弱的道路使用者。本研究旨在分析行人选择路口类型的影响因素。通过PBS问卷和Qazvin市过街行人视频图像的访谈收集所需数据。考虑了个体特征、交叉口选择、交通量以及行人行为潜变量的作用等观察变量对交叉口选择的影响。通过探索性因素分析,发现潜在的行为变量,并将其分为积极习惯和消极习惯。此外,本文还采用了结构方程模型、传统的二元logit模型和混合离散选择模型。结果显示,男性比女性更不愿意使用人行天桥。此外,18-30岁和30-45岁的年轻人比老年人更渴望使用立交桥。此外,消极的行为习惯,如分心、注意力不集中、错误和违规,导致选择比平交道口更危险的选择。此外,日常步行等积极的行为习惯对选择更安全的交叉方式(人行天桥)有积极的影响。研究结果有助于制定政策措施,建设安全高效的设施。
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引用次数: 0
Investigation of design of independent metro station entrances in China 中国地铁车站独立出入口设计研究
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2022-07-08 DOI: 10.1680/jmuen.21.00031
Xing Liang, Zhu Lu, Fei Ye, Wenjun Zhang
In recent years, China has made extensive use of underground space, and with the rapid development of metros, more than forty cities have opened rail transit. However, a problem has also emerged in the form and function of metro station entrances. Unlike Western countries, Chinese design has developed under the historical background of rapid social and economic development and transformation. The design of metro station entrances mostly stays at the level of satisfying functions; many spaces adopt similar designs, lack innovative ideas, and fail to spread urban culture and improve city visibility. Therefore, we aim to conduct a comprehensive analysis and research on Chinese metro station entrances and propose design concepts suitable for China's national conditions to provide references for many metro stations to be built in the future. This paper investigates and analyzes the entrances of independent metro stations in China, explores the problems in independent metro stations, and proposes corresponding solutions. Finally, the design concept of metro station entrances is discussed in terms of exterior and interior spaces.
近年来,中国广泛利用地下空间,随着地铁的快速发展,40多个城市开通了轨道交通。然而,地铁出入口的形式和功能也出现了问题。与西方国家不同,中国设计是在社会经济快速发展和转型的历史背景下发展起来的。地铁车站出入口的设计多停留在满足功能的层面;许多空间采用类似的设计,缺乏创新理念,未能传播城市文化,提高城市知名度。因此,我们的目标是对中国地铁车站出入口进行全面的分析和研究,提出适合中国国情的设计理念,为未来建设的许多地铁车站提供参考。本文对中国独立地铁车站出入口进行了调查分析,探讨了独立地铁车站存在的问题,并提出了相应的解决方案。最后,从室内外空间的角度探讨了地铁出入口的设计理念。
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引用次数: 0
Automated Code Compliance Checking of Residential Buildings for Parking Regulation in Turkey 土耳其住宅楼停车规则的自动符合性检查
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2022-05-24 DOI: 10.1680/jmuen.21.00024
B. Temel, H. B. Başağa
Compliance inspection of a building, which involves following legislated rules during the design phase of a project, is a manual, time-consuming, error-prone, and labour-intensive process, that primarily relies on 2D drawings. Innovations brought by Building-Information-Modelling-(BIM) lead up to the automatic compliance inspection of buildings with the relevant regulation. The BIM model of a building, contained within the Industry-Foundation-Classes-(IFC) data file, includes all pertinent geometric and semantic 3D data of that building. Using these IFC files, a program, intended for use in municipalities in Turkey but applicable elsewhere, has been developed that automatically inspects the compliance of the building with area parking regulations. This study presents the program's development as well as test results in its use. The program is shown to successfully simplify the compliance inspection process by determining the size of the required parking area, as well as the number of spaces to be available, according to Turkish parking lot regulations for residential buildings, and setting controls accordingly. The program has yet to be implemented commericially, however, as the present research will show, the program can be a tool that provides convenience and speed to stakeholders, including archietects and engineers, during both the design and control stages while also minimizing the error rate.
建筑物的合规性检查涉及在项目设计阶段遵循法律规则,这是一个手动的、耗时的、容易出错的、劳动密集型的过程,主要依赖于2D图纸。建筑信息模型(BIM)带来的创新导致建筑物自动符合相关法规的检查。建筑的BIM模型包含在工业基础类(IFC)数据文件中,包括该建筑的所有相关几何和语义3D数据。利用这些国际金融公司的文件,开发了一个程序,旨在在土耳其市政当局使用,但也适用于其他地方,该程序可以自动检查建筑物是否符合区域停车规定。本研究介绍了该程序的开发以及在使用中的测试结果。根据土耳其住宅楼停车场规定,该方案成功地简化了合规性检查过程,确定了所需停车面积的大小,以及可用的停车位数量,并相应地设置了控制。该程序尚未在商业上实施,然而,正如目前的研究将表明的那样,该程序可以成为一种工具,在设计和控制阶段为包括建筑师和工程师在内的利益相关者提供便利和速度,同时还可以最大限度地降低错误率。
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引用次数: 0
Strengthening Urban Resilience to Flooding in Yangon using Sustainable Urban Drainage Systems 利用可持续城市排水系统加强仰光城市抗洪能力
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2022-05-09 DOI: 10.1680/jmuen.21.00042
J. Parkinson, Christopher Davies, Kyaw Lin Htet, A. Steele
The paper assesses the potential for adopting Sustainable Urban Drainage Systems (SUDS) in Myanmar to mitigate flood risks related to urbanisation. Fieldwork in commercial and industrial developments and informal settlements was undertaken to identify flood problems, understand causes and assess the potential for SUDS in Yangon. Hydrological modelling was used to assess the benefits in terms of flood risk mitigation from a quantitative perspective and engagement with key stakeholders facilitated a consideration of the practical implications of SUDS adoption. The results demonstrate that on-site source control technologies can play a key role in mitigating flood risks for storm events with return frequencies of 1 in 10-years. Based upon simulation results, whereas the existing situation shows extensive flooding with 45% of the area flooding to a depth of 0.25m, the SUDS scenario reduces this by 30% to 15% of the modelled catchment area. SUDS need to be adopted at scale for the benefits to be realised but the adoption of SUDS in existing developments is seen to be constrained due to practical and financial considerations. Therefore, green field sites offer the greatest potential for SUDS and a three-stage procedure based on flood risk and drainage impact assessments was developed to be incorporated in the existing planning applications process.
本文评估了在缅甸采用可持续城市排水系统(SUDS)以减轻与城市化相关的洪水风险的潜力。对商业和工业发展和非正式住区进行了实地调查,以查明洪水问题,了解原因并评估仰光的水处理系统的潜力。水文模型用于从定量角度评估减轻洪水风险方面的益处,与主要利益攸关方的接触促进了对采用可持续发展系统的实际影响的审议。结果表明,现场源控制技术在缓解10年1次的暴雨灾害风险中发挥了关键作用。根据模拟结果,目前的情况显示,45%的区域被广泛淹没,深度为0.25m,而SUDS方案将模型集水区的这一情况减少了30%至15%。要实现效益,必须大规模采用可持续发展系统,但由于实际和财政方面的考虑,在现有发展项目中采用可持续发展系统似乎受到限制。因此,绿化用地提供了最大的潜力,并制定了一个基于洪水风险和排水影响评估的三阶段程序,以纳入现有的规划申请程序。
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引用次数: 1
Brazilian Megacities: A simulation to quantify the impacts of the Brazilian Urban Mobility Policy 巴西大城市:量化巴西城市交通政策影响的模拟
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2022-04-12 DOI: 10.1680/jmuen.22.00007
W. B. Fontoura, G. Ribeiro, Gisele de Lorena Diniz Chaves
Brazil has several problems related to urban mobility. These issues are most evident in big cities where the territorial extension and the complex activities developed in urban space become transportation planning difficult. Therefore, Brazilian cities face challenges to implement the Brazilian Urban Mobility Policy (BUMP) requirements. Since this enactment, in 2012, several studies have been developed to evaluate the impacts of the mitigations proposed by this law. Among these studies, a proposition of a System Dynamics (SD) model to assess the effects of this policy stands out. This model allows verifying the impact of different BUMP mitigation measures (individually and together). Therefore, this paper aims to obtain and to compare the results of the application of this SD model in two Brazilian megacities: Rio de Janeiro and São Paulo. The results show the importance of BUMP implementation to reduce the negative externalities of transport systems and improve their efficiency. However, the effects of this policy are not the same for the two megacities.
巴西有几个与城市交通有关的问题。这些问题在大城市中表现得最为明显,城市空间的领土扩张和复杂活动给交通规划带来了困难。因此,巴西城市面临着实施巴西城市交通政策(BUMP)要求的挑战。自2012年颁布这项法律以来,开展了若干项研究,以评估该法提出的缓解措施的影响。在这些研究中,一个系统动力学(SD)模型的提议来评估这一政策的影响是突出的。此模型允许验证不同的碰撞缓解措施(单独或一起)的影响。因此,本文旨在获得并比较该SD模型在巴西两个特大城市:里约热内卢和圣保罗的应用结果。结果表明,实施BUMP对于减少运输系统的负外部性和提高其效率具有重要意义。然而,这一政策对两个大城市的影响并不相同。
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引用次数: 1
Assessment of the Resilience of Pedestrian Roads based on Image Deep Learning Models 基于图像深度学习模型的行人道路弹性评估
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2022-02-03 DOI: 10.1680/jmuen.21.00037
Donggyun Ku, Minje Choi, Haram Oh, S. Shin, Seungjae Lee
Currently, the evaluation of pedestrian paths is very time consuming. Additionally, disabled pedestrians do not tend to change their routes, even if pedestrian conditions are poor, resulting in reduced convenience and safety. Therefore, it is important to identify and act on the statuses of pedestrian paths quickly. Therefore, this study aimed to identify and process the conditions of pedestrian paths quickly to achieve high resilience. A resilience triangle was calculated according to the discrimination automation to analyse the corresponding values. Pedestrian path discrimination automation applies convolutional neural networks and ‘you only look once’ analysis to identify the road surface conditions of walkways and the presence of obstacles. We quantitatively analyse the safety and economic problems associated with transportation vulnerabilities through discrimination algorithms using deep image learning. As a result of this analysis, it was determined that it should be possible to determine the extent of damage with 94% accuracy if only damaged sidewalk photos are captured. When this result was applied to Seoul, the benefits of improving pedestrian paths were quantitatively calculated to be KRW 41.2 billion. This study may secure pedestrian resilience and improve convenience in the current scenario of a rapidly aging population.
目前,行人路径的评价非常耗时。此外,即使步行条件差,残疾行人也不倾向于改变路线,从而降低了便利性和安全性。因此,快速识别和处理行人通道的状态是非常重要的。因此,本研究旨在快速识别和处理行人路径的条件,以达到高弹性。根据判别自动化计算弹性三角形,分析相应值。行人路径识别自动化应用卷积神经网络和“你只看一次”分析来识别人行道的路面状况和障碍物的存在。我们通过使用深度图像学习的识别算法定量分析与交通脆弱性相关的安全和经济问题。分析的结果是,如果只拍摄损坏的人行道照片,确定损坏程度的准确率应该达到94%。如果以首尔市为对象进行计算,步道改善带来的效益将达到412亿韩元。这项研究可以在当前人口快速老龄化的情况下确保行人的弹性和改善便利性。
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引用次数: 1
Analysing pedestrian–vehicle conflicts behaviour at urban pedestrian crossings 分析城市人行横道上行人与车辆的冲突行为
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2021-12-01 DOI: 10.1680/jmuen.21.00016
B. Mirbaha
Pedestrian safety has become a serious problem with the rapid growth of motorised vehicle in transportation system in developing counties. Pedestrians often respond differently to changes in surrounding and traffic conditions. A study was undertaken to investigate pedestrians’ gap acceptance and the parameters affecting their risk-taking behaviours based on time-to-collision and post-encroachment-time indexes. Three signalised intersections and two midblock crossings were selected in Qazvin, Iran. A total of 752 pedestrians were examined by video recording and field observation, and pedestrians’ gap acceptance behaviour was estimated by using binary logit model. Results showed that the average time to collision and post-encroachment time were 4.27 s and 1.44 s, respectively. In addition, the presence of children alongside the older pedestrians led to a less risk-taking crossing. Additionally, pedestrian risk-taking was reduced by increasing both time indexes. Rainy weather also reduced pedestrians’ risk-taking behaviour. Elasticity analysis indicated that parameters such as pedestrians’ conflict with vehicles at the first or second half of the crossings, walking with a child, speed of the approaching vehicle, the crossing type and running while crossing were the most important factors in pedestrian risk-taking.
随着机动车数量的快速增长,行人安全问题已成为发展中国家交通系统中的一个严重问题。行人对周围环境和交通状况的变化往往有不同的反应。基于碰撞时间指数和侵犯后时间指数,研究了行人的间隙接受度和影响其冒险行为的参数。在伊朗的加兹文,三个信号路口和两个街区中间路口被选中。采用录像和实地观察相结合的方法对752名行人进行调查,采用二元logit模型估计行人的间隙接受行为。结果表明:碰撞后平均时间为4.27 s,碰撞后平均时间为1.44 s;此外,在老年行人旁边有儿童的存在会减少过马路的风险。此外,增加这两个时间指标可以降低行人的冒险行为。雨天也减少了行人的冒险行为。弹性分析表明,行人在人行横道前半部分与车辆发生冲突、带小孩行走、驶近车辆速度、人行横道类型、边跑边走等参数是影响行人冒险行为的最重要因素。
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引用次数: 1
Impacts of behavioural factors on the household water consumption in urban areas 行为因素对市区家庭用水的影响
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2021-12-01 DOI: 10.1680/jmuen.21.00032
Janaína Conceição Santos, A. L. Allison, B. Janković-Nišić, L. Campos
Gaps in understanding what influences household water consumption has led water providers failing to convince their customers to report sustainable practices. To this end, the present study aimed to answer the question, “How do social and cultural factors influence water consumption in urban areas”? The response to this issue has been identified through an investigation that involved a group of selected socio-cultural factors, whose analysis was based on collected survey data from participants in Lagos-Nigeria, Salvador-Brazil, Sao Paulo-Brazil, London-UK and Los Angeles-USA. The Capability-Opportunity-Motivation-Behaviour (COM-B) model was used as a data analysis framework to identify influences. The investigation revealed that Motivation is the most reported driver of water consumption. In a scale from 0 (lowest) to 5 (highest), this component presented the most significant scores in Lagos (3.93), Salvador (4.13), Sao Paulo (3.88), London (4.13) and Los Angeles (3.59). The Capability dimension had the second-highest weight in Lagos, Salvador, Sao Paulo, and Los Angeles, with scores of 2.80, 3.60, 3.60 and 3.20, respectively. Participants from London have Opportunity (score= 2.88) as the second influential pillar in water consumption. These findings are aimed at helping to best drive water saving practices by gaining insight into factors underpinning water consumption in a structured manner.
由于对影响家庭用水的因素缺乏了解,供水商未能说服其客户报告可持续做法。为此,本研究旨在回答“社会和文化因素如何影响城市地区的用水”这一问题。对这一问题的回应是通过一项调查确定的,该调查涉及一组选定的社会文化因素,其分析基于从尼日利亚拉各斯、巴西萨尔瓦多、巴西圣保罗、英国伦敦和美国洛杉矶的参与者收集的调查数据。使用能力-机会-动机-行为(COM-B)模型作为数据分析框架来识别影响因素。调查显示,动机是用水量最大的驱动因素。在从0(最低)到5(最高)的量表中,这部分得分最高的是拉各斯(3.93)、萨尔瓦多(4.13)、圣保罗(3.88)、伦敦(4.13)和洛杉矶(3.59)。能力维度在拉各斯、萨尔瓦多、圣保罗和洛杉矶的权重排名第二,得分分别为2.80、3.60、3.60和3.20。来自伦敦的参与者将机会(得分= 2.88)作为水消耗的第二大影响支柱。这些发现旨在通过以结构化的方式深入了解支撑水消耗的因素,从而帮助最好地推动节水实践。
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引用次数: 1
Bus Bunching from a Stop-based Perspective: Insights from Visual Analytics 从基于站点的角度看公共汽车拥挤:来自视觉分析的见解
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2021-11-15 DOI: 10.1680/jmuen.21.00026
K. Tsoi, B. Loo
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引用次数: 3
Public value capture capacity in the urban renewal project process: Fikirtepe case 城市更新项目过程中的公共价值获取能力:Fikirtepe案例
IF 1.3 4区 工程技术 Q2 Engineering Pub Date : 2021-10-18 DOI: 10.1680/jmuen.20.00033
Sezen Tarakci, S. S. Turk
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引用次数: 1
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Proceedings of the Institution of Civil Engineers-Municipal Engineer
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